<template>
  <div>
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list :cities="cities" :hot="hotCities" :letter="letter"></city-list>
    <city-alphabet :cities="cities"
    @change="handleLetterChange"
    ></city-alphabet>
  </div>
</template>

<script>
  import axios from 'axios'
  import CityHeader from './components/Header'
  import CitySearch from './components/Search'
  import CityList from './components/List'
  import CityAlphabet from './components/Alphabet'
export default{
  name:'City',
  data () {
    return {
      cities:{},
      hotCities:[],
      letter:''
    }
  },
  components:{
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet
  },
  methods: {
      getCityInfo () {
        axios.get('/api/city.json')
        .then(this.handleGetCityInfoSucc)
      },
      handleGetCityInfoSucc (res) {
        res = res.data
        if(res.ret && res.data){
          const data = res.data
          this.cities = data.cities
          this.hotCities = data.hotCities
        }
      },
      handleLetterChange (letter) {
        this.letter = letter
      }
    },
    mounted () {
      this.getCityInfo()
    }
}
</script>

<style lang="stylus" scoped>

</style>
